FX614D4-LF-TR datasheet, PDF - EEWORLD Datasheet

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FX614D4-LF-TR: DescriptionModem, 1.2kbps Data, CMOS, PDSO16, LEAD FREE, SOIC-16; CategoryWireless rf/communication Telecom circuit; File Size329KB，17 Pages; ManufacturerCML Microcircuits; Websitehttp://www.cmlmicro.com/; Environmental Compliance

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FX614D4-LF-TR Overview

Modem, 1.2kbps Data, CMOS, PDSO16, LEAD FREE, SOIC-16

FX614D4-LF-TR Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	CML Microcircuits
package instruction	LEAD FREE, SOIC-16
Reach Compliance Code	compliant
data rate	1.2 Mbps
JESD-30 code	R-PDSO-G16
length	10.26 mm
Number of functions	1
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Maximum seat height	2.67 mm
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Telecom integrated circuit types	MODEM
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7.49 mm
Base Number Matches	1

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CML Semiconductor Products

Bell 202 Compatible Modem

FX614

D/614/4

October 1997

Advance Information

1.0

Features

•

1200bits/sec 1/2 Duplex Bell 202 compatible Modem with:

•

Optional 5bits/sec and

150bits/sec Back Channel

•

Optional 1200bits/sec Data

Retiming Facility

•

3.0 to 5.5V Supply; 1.0mA at 3V

'Zero-Power' Mode; 1µA

•

Optional Line Equalisation

•

-40°C to +85°C Operating

Temperature

•

16-pin SOIC and DIL Packages

•

3.58MHz Xtal/Clock Rate

1.1

Brief Description

The FX614 is a low power CMOS integrated circuit for the reception or transmission of asynchronous

1200bits/sec data and is suitable for use in Bell 202 type systems. It is also capable of generating the

5bits/sec or 150bits/sec 'back channel'.

The device incorporates an optional Tx and Rx data retiming function that removes the need for a UART in the

associated

C when operating at 1200bits/sec. An optional line equaliser is incorporated into the receive path,

this is controlled by an external logic level.

The FX614 may be used in a wide range of telephone telemetry systems. With a low operating voltage of

3.0V, a very low current 'sleep' mode (1

A) and an operating current of 1mA the device is ideal for portable,

terminal and line powered applications. A 3.58MHz standard Xtal/Clock rate is required and the device

operates from a 3.0V to 5.5V supply. Both SOIC (D4) and Plastic DIL (P3) 16-pin package types are available.

1997 Consumer Microcircuits Limited

Bell 202 Compatible Modem

FX614

CONTENTS

Section

Page

1.0 Features ......................................................................................................1

1.1 Brief Description.........................................................................................1

1.2 Block Diagram ............................................................................................3

1.3 Signal List ...................................................................................................3

1.4 External Components.................................................................................5

1.5 General Description....................................................................................5

1.5.1 Xtal Osc and Clock Dividers.......................................................5

1.5.2 Mode Control Logic

....................................................................6

1.5.3 Rx Input Amplifier

.......................................................................6

1.5.4 Receive Filter and Equaliser.......................................................6

1.5.5 Energy Detector

..........................................................................7

1.5.6 FSK Demodulator........................................................................7

1.5.7 FSK Modulator and Transmit Filter............................................7

1.5.8 Rx Data Retiming

........................................................................9

1.5.9 Tx Data Retiming.......................................................................10

1.6 Application Notes .....................................................................................12

1.6.1 Line Interface.............................................................................12

1.7 Performance Specification.......................................................................13

1.7.1 Electrical Performance..............................................................13

1.7.2 Packaging..................................................................................16

1997 Consumer Microcircuits Limited

D/614/4

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